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FIX: fastread dont do multiplication by zero, thanks @marshmellow42

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ADD: "hf 14a sim t 7" now implements a simple incr_counter command. it sends ACK to all requests.
ADD: "hf 14a sim t 7" now prints the password when a "0x1B" (Authenticate) command is received.
This commit is contained in:
iceman1001 2015-06-22 09:49:12 +02:00
parent 5e42846302
commit ce3d6bd25a
1 changed files with 14 additions and 2 deletions
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16
armsrc/iso14443a.c
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@ -1188,7 +1188,7 @@ void SimulateIso14443aTag(int tagType, int flags, int uid_2nd, byte_t* data)
uint8_t emdata[MAX_FRAME_SIZE];
int start = receivedCmd[1] * 4;
int len = (receivedCmd[2] - receivedCmd[1]) * 4;
int len = (receivedCmd[2] - receivedCmd[1] + 1) * 4;
emlGetMemBt( emdata, start, len);
AppendCrc14443a(emdata, len);
EmSendCmdEx(emdata, len+2, false);
@ -1202,12 +1202,22 @@ void SimulateIso14443aTag(int tagType, int flags, int uid_2nd, byte_t* data)
0xce,0x21,0x24,0x5b,0xa6,0x7a,0x79,0x07,
0x00,0x00};
AppendCrc14443a(data, sizeof(data)-2);
EmSendCmdEx(data,sizeof(data),false);
EmSendCmdEx(data,sizeof(data),false);
p_response = NULL;
} else if(receivedCmd[0] == 0x39 && tagType == 7) { // Received a READ COUNTER --
uint8_t data[] = {0x00,0x00,0x00,0x14,0xa5};
EmSendCmdEx(data,sizeof(data),false);
p_response = NULL;
} else if(receivedCmd[0] == 0xA5 && tagType == 7) { // Received a INC COUNTER --
// number of counter
//uint8_t counter = receivedCmd[1];
//uint32_t val = bytes_to_num(receivedCmd+2,4);
// send ACK
uint8_t ack[] = {0x0a};
EmSendCmdEx(ack,sizeof(ack),false);
p_response = NULL;
} else if(receivedCmd[0] == 0x3E && tagType == 7) { // Received a CHECK_TEARING_EVENT --
p_response = &responses[9];
} else if(receivedCmd[0] == 0x50) { // Received a HALT
@ -1281,6 +1291,8 @@ void SimulateIso14443aTag(int tagType, int flags, int uid_2nd, byte_t* data)
{
if ( tagType == 7 ) {
p_response = &responses[8]; // PACK response
uint32_t pwd = bytes_to_num(receivedCmd+1,4);
Dbprintf("Auth attempt: %08x", pwd);
}
}
else {